formbook | 3d7f6d2750179e8e650d7a689b3271955aadc23e58c2fd6d43077a313ff8707b

General

Target

FedexAwbDetailspdf.exe
Size

575KB
MD5

7bb7c27ef2c8fa595336641682216af1
SHA1

f3005e0e792af7ee0121dea5c4eac5e9c4a14935
SHA256

3d7f6d2750179e8e650d7a689b3271955aadc23e58c2fd6d43077a313ff8707b
SHA512

306d5acc71ce7f2be174464cb7541cede89e0eb46c09e146fa88d2fa5dbd6d5b7bbb7c4bcc8fe67d609f33bab9fdb72049fcabba2dbe3b48377a95472a6acd26
SSDEEP

12288:D/vEqjqYBVySejHOr8uEc/F/4dAl88iTdjB+b55rSN6il:D0pU/3r8hch4dQiT7YZSUi

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2520-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2520-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2752-21-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2924	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1952 set thread context of 2520	1952	FedexAwbDetailspdf.exe	32
PID 2520 set thread context of 1188	2520	FedexAwbDetailspdf.exe	21
PID 2752 set thread context of 1188	2752	wuapp.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuapp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FedexAwbDetailspdf.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
1952	FedexAwbDetailspdf.exe
1952	FedexAwbDetailspdf.exe
1952	FedexAwbDetailspdf.exe
1952	FedexAwbDetailspdf.exe
2520	FedexAwbDetailspdf.exe
2520	FedexAwbDetailspdf.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe
2752	wuapp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2520	FedexAwbDetailspdf.exe
2520	FedexAwbDetailspdf.exe
2520	FedexAwbDetailspdf.exe
2752	wuapp.exe
2752	wuapp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	FedexAwbDetailspdf.exe
Token: SeDebugPrivilege	2520	FedexAwbDetailspdf.exe
Token: SeDebugPrivilege	2752	wuapp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2112	1952	FedexAwbDetailspdf.exe	31
PID 1952 wrote to memory of 2112	1952	FedexAwbDetailspdf.exe	31
PID 1952 wrote to memory of 2112	1952	FedexAwbDetailspdf.exe	31
PID 1952 wrote to memory of 2112	1952	FedexAwbDetailspdf.exe	31
PID 1952 wrote to memory of 2520	1952	FedexAwbDetailspdf.exe	32
PID 1952 wrote to memory of 2520	1952	FedexAwbDetailspdf.exe	32
PID 1952 wrote to memory of 2520	1952	FedexAwbDetailspdf.exe	32
PID 1952 wrote to memory of 2520	1952	FedexAwbDetailspdf.exe	32
PID 1952 wrote to memory of 2520	1952	FedexAwbDetailspdf.exe	32
PID 1952 wrote to memory of 2520	1952	FedexAwbDetailspdf.exe	32
PID 1952 wrote to memory of 2520	1952	FedexAwbDetailspdf.exe	32
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	33
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	33
PID 2752 wrote to memory of 2924	2752	wuapp.exe	34
PID 2752 wrote to memory of 2924	2752	wuapp.exe	34
PID 2752 wrote to memory of 2924	2752	wuapp.exe	34
PID 2752 wrote to memory of 2924	2752	wuapp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe
  "C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1952
- - C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe"
    3⤵
    PID:2112
- - C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2520
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1188-17-0x0000000007770000-0x0000000007913000-memory.dmp

Filesize
1.6MB

Download
memory/1188-22-0x0000000007770000-0x0000000007913000-memory.dmp

Filesize
1.6MB

Download
memory/1952-5-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/1952-2-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/1952-4-0x000000007407E000-0x000000007407F000-memory.dmp

Filesize
4KB

Download
memory/1952-0-0x000000007407E000-0x000000007407F000-memory.dmp

Filesize
4KB

Download
memory/1952-6-0x0000000004ED0000-0x0000000004F46000-memory.dmp

Filesize
472KB

Download
memory/1952-1-0x0000000000C20000-0x0000000000CB6000-memory.dmp

Filesize
600KB

Download
memory/1952-3-0x0000000000740000-0x0000000000750000-memory.dmp

Filesize
64KB

Download
memory/1952-12-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2520-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-13-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/2520-16-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/2520-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2520-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2520-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-18-0x00000000008D0000-0x00000000008DB000-memory.dmp

Filesize
44KB

Download
memory/2752-20-0x00000000008D0000-0x00000000008DB000-memory.dmp

Filesize
44KB

Download
memory/2752-21-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download

Analysis

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